Finding the Fourth Proportional to 1,801.74, 2,487.52 and 1,242.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.74 : 2,487.52 = 1,242.02 : x
2. Step 2: Convert to fraction form
   1,801.74/2,487.52 = 1,242.02/x
3. Step 3: Cross multiply
   1,801.74x = 2,487.52 × 1,242.02
4. Step 4: Simplify right side
   1,801.74x = 3,089,549.59
5. Step 5: Solve for x
   x = 3,089,549.59/1,801.74
6. Step 6: Final answer
   x = 1,714.76